Relevant bibliographies by topics / Norbornylogous Bridge

Academic literature on the topic 'Norbornylogous Bridge'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Norbornylogous Bridge"

1

Liu, Jingquan, Michael N. Paddon-Row, and J. Justin Gooding. "Surface reconstitution of glucose oxidase onto a norbornylogous bridge self-assembled monolayer." Chemical Physics 324, no. 1 (May 2006): 226–35. http://dx.doi.org/10.1016/j.chemphys.2005.08.061.

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2

Darwish, Nadim, Ismael Díez-Pérez, Shaoyin Guo, Nongjian Tao, J. Justin Gooding, and Michael N. Paddon-Row. "Single Molecular Switches: Electrochemical Gating of a Single Anthraquinone-Based Norbornylogous Bridge Molecule." Journal of Physical Chemistry C 116, no. 39 (September 20, 2012): 21093–97. http://dx.doi.org/10.1021/jp3066458.

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Darwish, Nadim, Ismael Díez-Pérez, Paulo Da Silva, Nongjian Tao, J. Justin Gooding, and Michael N. Paddon-Row. "Observation of Electrochemically Controlled Quantum Interference in a Single Anthraquinone-Based Norbornylogous Bridge Molecule." Angewandte Chemie 124, no. 13 (February 14, 2012): 3257–60. http://dx.doi.org/10.1002/ange.201107765.

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Darwish, Nadim, Ismael Díez-Pérez, Paulo Da Silva, Nongjian Tao, J. Justin Gooding, and Michael N. Paddon-Row. "Observation of Electrochemically Controlled Quantum Interference in a Single Anthraquinone-Based Norbornylogous Bridge Molecule." Angewandte Chemie International Edition 51, no. 13 (February 14, 2012): 3203–6. http://dx.doi.org/10.1002/anie.201107765.

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Paddon-Row, Michael N. "Superexchange-Mediated Charge Separation and Charge Recombination in Covalently Linked Donor - Bridge - Acceptor Systems." Australian Journal of Chemistry 56, no. 8 (2003): 729. http://dx.doi.org/10.1071/ch02249.

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Evidence is presented in support of the concept that electron transfer (ET) between a pair of chromophores may take place efficiently over large distances (>10 Å) by the mediation of an intervening saturated hydrocarbon medium. For example, ET is found to take place on a sub-nanosecond timescale through saturated norbornylogous bridges greater than 13 Å in length, by a superexchange (through-bond coupling) mechanism. The dependence of the ET dynamics on the bridge length and configuration are consistent with the operation of a superexchange mechanism. The distinction between molecular wire behaviour and superexchange-mediated ET is made. The distance dependence of ET dynamics through different types of bridges—saturated and unsaturated hydrocarbon bridges, proteins, and duplex DNA—is discussed and explained. Strategies for prolonging the lifetimes of charge-separated states are explored and discussed. In general, long-lived charge-separated species have been generated using giant multichromophoric systems in which the charges are separated by large distances, often exceeding 20 Å. In contrast, it is shown that very long-lived charge-separated states, possessing the triplet multiplicity, may be generated using short ‘dwarf’ dyads, in which the charges are less than 6 Å apart. Charge recombination in these species is slowed by the difference in electron spin multiplicity between the charge-separated state and the ground state.
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6

Paddon-Row, Michael N. "Investigating long-range electron-transfer processes with rigid, covalently linked donor-(norbornylogous bridge)-acceptor systems." Accounts of Chemical Research 27, no. 1 (January 1994): 18–25. http://dx.doi.org/10.1021/ar00037a003.

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7

PADDON-ROW, M. N. "ChemInform Abstract: Long-Range Electron-Transfer Processes with Rigid, Covalently Linked Donor-(Norbornylogous Bridge)-Acceptor Systems." ChemInform 25, no. 18 (August 19, 2010): no. http://dx.doi.org/10.1002/chin.199418309.

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Gulyas, Peter T., Steven J. Langford, Nigel R. Lokan, Millagahamada G. Ranasinghe, and Michael N. Paddon-Row. "Convenient Synthetic Route to Rigid Donor−{Bridge}−Acceptor Systems Involving Porphyrin and Phenanthroline Annulation of Norbornylogous Bridgesvia2,3-Norbornanediones." Journal of Organic Chemistry 62, no. 10 (May 1997): 3038–39. http://dx.doi.org/10.1021/jo970279a.

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GULYAS, P. T., S. J. LANGFORD, N. R. LOKAN, M. G. RANASINGHE, and M. N. PADDON-ROW. "ChemInform Abstract: Convenient Synthetic Route to Rigid Donor-(Bridge)-Acceptor Systems like (V)-(VII) Involving Porphyrin and Phenanthroline Annulation of Norbornylogous Bridges via 2,3-Norbornanediones." ChemInform 28, no. 38 (August 3, 2010): no. http://dx.doi.org/10.1002/chin.199738204.

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10

Shephard, Michael J., and Michael N. Paddon-Row. "The porphyrin-C60 non-bonded interaction: an ab initio MO and DFT study." Journal of Porphyrins and Phthalocyanines 06, no. 12 (December 2002): 783–94. http://dx.doi.org/10.1142/s1088424602000907.

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The non-bonded interactions between a porphyrin molecule and a C 60 molecule, in the gas-phase, has been systematically investigated using various theoretical models. These are: (1) wavefunction-based methods, Hartree-Fock SCF (HF), second-order Møller-Plesset (MP2) theory, and the localized MP2 (LMP2) theory using the diatomics in molecules (DIM-LMP2) and triatomics in molecules (TRIM-LMP2) methods; (2) density functional theory (DFT), using non-local (BLYP, PW91), hybrid (B3LYP), and local (SVWN) functionals. Of the HF and DFT methods examined, corrected for BSSE using the counterpoise (CP) method, only the SVWN method predicts a close separation (2.5 Å) between the porphyrin and the C 60 molecules, in line with close contacts observed in crystal structures of cocrystallates of porphyrins and fullerenes (2.7-3.0 Å). The MP2 and LMP2 methods also predict a close contact between the two molecules although the MP2 and TRIM-LMP2 methods overestimate the interaction giving a separation < 2.5 Å while the DIM-LMP2 method gives a satisfactory separation of 2.9 Å. The SVWN and DIM-LMP2 methods also predict a reasonable complexation energy of ca. −13 kcal/mol (SVWN and DIM-LMP2 CP-uncorrected) and −7.9 kcal/mol (SVWN CP-corrected), whereas the MP2 and TRIM-LMP2 methods probably strongly overestimate the complexation energy. The remaining methods underestimate the complexation energy. The CP-uncorrected DIM-LMP2/6-31G(d) method gave the best estimate of the porphyrin- C 60 separation (2.9 Å) with a complexation energy of −13.3 kcal/mol; however, the more cost-effective SVWN functional gives satisfactory values for these quantities with the SVWN/6-311+G(d) level providing the best estimate for the complexation energy (−16.5 kcal/mol). The porphyrin- C 60 interaction was investigated in the giant triad 1 in which a zinc porphyrin, a dimethoxynaphthalene and a C 60 fullerene are separated by two norbornylogous bridge sections of six and five bond lengths, respectively. All methods predict the existence of a compact form of the molecule in which the porphyrin and C 60 moieties are only 2.9-4.3 Å apart (contact distance). This finding is consistent with certain photophysical properties of 1.
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Dissertations / Theses on the topic "Norbornylogous Bridge"

1

Eggers, Paul Kahu Chemistry Faculty of Science UNSW. "Probing the electrochemical double layer: an examination of how the physical and electrical structure affects heterogeneous electron transfer." Publisher:University of New South Wales. Chemistry, 2008. http://handle.unsw.edu.au/1959.4/41285.

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In this research the environmental effects related to the position of a redox moiety with the electrochemical double layer were studied. This project was made possible with the synthesis of a series of lengths of ferrocene derived alkanethiols, a series of lengths of ferrocene derived norbornylogous bridges and a series of lengths of anthraquinone derived norbornylogous bridges. The series of ferrocene derived alkanethiols were used to study the effect of gradually varying the polarity of the self-assembled monolayers (SAMs) surface on the standard electron transfer rate constant and formal potential. This was achieved by varying the portion of hydroxyl to methyl terminated alkanethiol diluent in the SAM preparation step. It was found that the formal potential increased with a decreasing proportion of hydroxyl terminated diluent and increasing length of the diluent. For pure hydroxyl terminated diluent the formal potential was relatively independent of length. It was found that the rate constant increased for short alkane chain lengths with decreasing proportion of hydroxyl terminated diluent. However, it decreased in magnitude with long alkane chain lengths for low proportions of hydroxyl terminated diluent. The norbornylogous bridges were shown to stand proud above the diluent with a similar tilt angle as the alkanethiol diluent. The ferrocene derived norbornylogous bridges showed hydroxyl terminated monolayers had a slower rate constant then methyl terminated diluents independent of length and that it is highly probable that an alkane bridged redox moiety is located very close to the surface of the monolayer. SAMs were created with the ferrocene of the ferrocene derived norbornylogous bridges located at various heights above the monolayers surface. This was done by using various lengths of hydroxyl terminated diluent. It was found that the rate constant and the formal potential decreased with height above the surface. Interfacial potential distribution was used to account for this and to estimate a ??true?? formal potential. The anthraquinone derived norbornylogous bridges were tested at various pH values and heights above the surface. It was found that an accurate estimate for the electron transfer mechanism can not be made for surface bound species due to the effects of interfacial potential distribution. They demonstrated a novel technique for estimating the point of zero charge of the electrode.
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